$NetBSD$

--- src/send.c	2004/12/30 10:59:35	1.1
+++ src/send.c	2004/12/30 10:59:57
@@ -155,7 +155,7 @@
 	for ( i = 0 ; strlen(s) > size ; ++i)
 	{
 		length = size;
-		while (!isspace(s[length-1])&&length>1)
+		while (!isspace((unsigned char)s[length-1])&&length>1)
 			length--;
 
 		ch='\0';
